The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 24, 2018
Filed:
Sep. 19, 2014
Applicant:
The Boeing Company, Seal Beach, CA (US);
Inventor:
Kwang M. Cho, Los Angeles, CA (US);
Assignee:
The Boeing Company, Chicago, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
G01S 13/90 (2006.01); G01S 7/40 (2006.01); G01S 13/28 (2006.01); G01S 13/30 (2006.01);
U.S. Cl.
CPC ...
G01S 7/4004 (2013.01); G01S 13/90 (2013.01); G01S 13/282 (2013.01); G01S 13/30 (2013.01);
Abstract
A Radar Calibration Processor ('RCP') for calibrating the phase of a stepped-chirp signal utilized by a synthetic aperture radar ('SAR') is disclosed. The RCP includes a periodic phase error (“PPE”) calibrator, first non-periodic phase error (“NPPE”) calibrator in signal communication with the PPE calibrator, and a second NPPE calibrator in signal communication with the first NPPE calibrator.